850% is the change from 72 to 684
Calculation steps:
[( 684 - 72 ) ÷ 72] x 100 = 850%
Formula
Percentage change = [(684 - 72) / 72] x 100
Subtract the new number by the original number
684 - 72 = 612
612 ÷ 72 = 8.5
8.5 x 100 = 850%
Example